EP0789224B1 - Système de navigation pour véhicules - Google Patents

Système de navigation pour véhicules Download PDF

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Publication number
EP0789224B1
EP0789224B1 EP96113632A EP96113632A EP0789224B1 EP 0789224 B1 EP0789224 B1 EP 0789224B1 EP 96113632 A EP96113632 A EP 96113632A EP 96113632 A EP96113632 A EP 96113632A EP 0789224 B1 EP0789224 B1 EP 0789224B1
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EP
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Prior art keywords
names
registered
inputted
name
list
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EP96113632A
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German (de)
English (en)
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EP0789224A2 (fr
EP0789224A3 (fr
Inventor
Toyoji Hiyokawa
Mitsuhiro Nimura
Yasunobu Ito
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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Priority claimed from JP21786495A external-priority patent/JP3681013B2/ja
Priority claimed from JP7253368A external-priority patent/JPH0997266A/ja
Application filed by Aisin AW Co Ltd filed Critical Aisin AW Co Ltd
Publication of EP0789224A2 publication Critical patent/EP0789224A2/fr
Publication of EP0789224A3 publication Critical patent/EP0789224A3/fr
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3605—Destination input or retrieval
    • G01C21/3611—Destination input or retrieval using character input or menus, e.g. menus of POIs

Definitions

  • the invention relates to a navigation system for vehicles, by which an optimal route from a present position of a vehicle to a destination is searched by inputting data regarding the destination such as place of destination, transit point, and facilities.
  • a vehicular navigation system mounted on an automobile and used for providing route guidance is already known, in which names of points or targets such as an destination, transit points, facilities to be visited are alphabetically inputted (See JP-A-2-503045).
  • a target name "PARIS” is to be inputted, for example, the first character position is selected then the character string is scrolled at this position.
  • the character or the letter "P” is selected and inputted, and then the second character position is selected, and by scrolling the character string at this position, the character "A” is selected and inputted. Thereafter, by sequentially inputting the characters to the last in the same manner, the target name is alphabetically inputted.
  • a type of navigation system is known in the prior art, in which the target names are inputted as they are pronounced, and the place name is searched (See JP-A-7-55492).
  • registered place names having common portions or common name components such as "Nagoya Station” and "Shin-Nagoya Station” are stored in data in advance.
  • the common portion having the same pronunciation is inputted, the data of all registered place names having the common portion are listed up.
  • the place names are searched by forward match comparison, and the searched place names are displayed in a list.
  • EP-A-O 633 452 discloses a similar navigation system, in which the number of searched place names is also displayed.
  • place names are simply searched by forward match comparison and are listed in display. If there are many names in the displayed list, it may take some time to find out the aimed registered place name among others -
  • a destination target name cannot be inputted unless it is an official name. For example, if the word “Disneyland” is inputted instead of the official name of "Tokyo Disneyland” or the word “Kokugikan” is inputted instead of the official name or "Ryogoku Kokuglkan", the target name cannot be searched.
  • the navigation system for providing route guidance by inputting a target name and by searching an optimal route from a present position or a starting point of a vehicle comprises an input means for inputting target names such as destination, transit points and facilitates to be visited in alphabetical characters and numerals, a memory means for storing target names at least as registered place data, a searching means for comparing characters or numeric strings inputted with registered target name place data each time one character of the target name is inputted and for searching registered target name place data including the inputted character or numeric strings, a display means for displaying a number in the list of the searched target names, a list of target names and maps each time one character of the target name is inputted, and a selection means for selecting the target name when the number of registered target names remaining is one or for selecting the aimed target name from the displayed target name list.
  • target names such as destination, transit points and facilitates to be visited in alphabetical characters and numerals
  • a memory means for storing target names at least as registered place data
  • a searching means for comparing characters
  • It is also an object of the invention to provide a navigation system for providing route guidance by inputting a target name and by searching an optimal route from a present position or a starting point of a vehicle according to the invention which comprises an input means for inputting target names such as destination, transit points and facilities to be visited in alphabetical characters and numerals, a memory means for storing a list of registered names having two or more sequences of word components with respect to at least one official name, a searching means for searching the target name by comparing the list of names stored in said memory means with the inputted data by forward match comparison each time one character of the target name inputted by said input means is inputted, a display means for displaying a number of target names in the list of the target names found by forward match in searching, a list of target names and maps each time one character of the target name is inputted and a selection means for selecting the target name when the number of target names remaining is one or for selecting the aimed target name from the displayed list of target names.
  • target names such as destination, transit points and facilities to be visited
  • Fig. 1 shows an arrangement of an example of a navigation system according to the invention.
  • the navigation system according to the invention comprises, an input/output unit 1 for inputting and outputting information relating to route guidance, a present position detecting unit 2 for detecting information relating to the present position of a vehicle, an information storage unit 3 for storing: (i) navigation data necessary for calculation of an optimal route, (ii) display guidance data necessary for calculation of an optimal route, and (iii) display guidance data necessary for guidance, and a central processing unit 4 for performing route search processing or display guidance processing necessary for route guidance and for controlling the entire system.
  • the input/output unit 1 is provided with functions to input a destination, to instruct the central processing unit 4 to carry out navigation processing at the request of the driver so that guidance information can be inputted in voice and/or on screen when the driver needs such information, and to print out the data after the processing.
  • the input unit is provided with a touch switch 11 or an operation switch to input the destination data using telephone number or coordinates on a map or to request the route guidance.
  • the output unit is provided with a display unit 12 for displaying inputted data on screen or for displaying route guidance automatically on screen at the request of the driver, a printer 13 for printing out the data processed by the central processing unit 4 and the data stored in the information storage unit 3, and a speaker 16 for outputting route guidance in voice.
  • voice activation it is possible to add a voice recognizer used for recognizing an inputted voice and a card reader for reading data recorded on an IC card or magnetic card. Also, it is possible to add a data communication unit, which is used to send data to or receive from an information center where data necessary for navigation is stored, or send data to or from an information source such as an electronic notebook where the data specific to the driver such as map data and destination data are stored. In the latter case, the data is supplied via communication line at the request of the driver.
  • the display unit 12 comprises a color CRT or a color liquid crystal display and displays and outputs all screens necessary for navigation such as target name input screen, route setting screen, sector view screen and intersection view screen.
  • the outputs are based on map data and guidance data processed by the central processing unit 4.
  • Additionally functional buttons for: (i) setting a desired route, (ii) switching over guidance (voice and visual control or visual only), (iii) setting screen characteristics are presented on the display unit 12.
  • transit intersection information such as transit interaction name is given in pop up color display on the sector view screen as necessary.
  • the number of the remaining lists of all target names having a common portion with the same pronunciation and the selection screen of target names are displayed so that, when the target name is selected by manual selection or by remote control operation, a map of the vicinity of the destination is displayed.
  • This display unit 12 is installed on an instrument panel near the driver's seat. By watching the sector view, the driver can confirm the present position of the vehicle and can obtain information on the route ahead. Additionally, the display unit 12 may function as a touch screen which designates functional buttons in the display which can be touched by the user. By touching the touch screen, the corresponding operation (i.e., selection of a desired route, changing over the type of guidance input (voice and visual control or visual only), or screen characteristics such as scale) shown on the display unit/touch screen 12 is executed based on the inputted signal.
  • the input signal generating means comprises this display of function buttons on the display unit/touch screen 12, but further detailed description is not given here.
  • the present position detecting unit 2 is provided with a GPS receiver 21 utilizing global positioning system (GPS), a beacon receiver 22, a data transceiver for receiving compensation signal of GPS utilizing cellular phone (automobile phone) or FM multiplex signal 23, an absolute heading sensor 24 comprising a geomagnetic sensor, a relative heading sensor 25 comprising wheel sensor, steering sensor and gyro and a distance sensor 26 for detecting traveled distance from the number of revolutions of the wheels.
  • GPS global positioning system
  • beacon receiver 22 a data transceiver for receiving compensation signal of GPS utilizing cellular phone (automobile phone) or FM multiplex signal 23
  • an absolute heading sensor 24 comprising a geomagnetic sensor
  • a relative heading sensor 25 comprising wheel sensor, steering sensor and gyro
  • a distance sensor 26 for detecting traveled distance from the number of revolutions of the wheels.
  • the information storage unit 3 is a data base where all necessary data for the navigation system are recorded. It comprises files such as map data, intersection data, node data, road data, photograph data, registered point data, guidance point data, destination data, telephone number data and address data.
  • the central processing unit 4 comprises a CPU 40 for executing various computation processing, a first ROM 41 for storing programs to execute processing such as route searching and programs for display output control necessary for route guidance and for audio output control necessary for audio guidance and necessary data, a RAM 42 for temporarily storing route guidance information such as coordinates and road number(s) of the preset destination or data under computation, a 2nd ROM 43 for storing display information data necessary for route guidance and map display, an image memory 44 for storing image data used for screen display on the display unit, an image processor 45 for picking up the image data from the image memory 44 based on the display output control signal from the CPU 40 and for outputting it to the display unit after image processing, an audio processor 46 for synthesizing voice, phrase, a sizable sentence and sound read from the information storage unit 3 based on the audio output control signal from the CPU for outputting them to the speaker 16 after converting to an analog signal, a communication interface 47 for sending and receiving input/output data, a sensor input interface 48 for incorporating sensor signal of the present position detecting
  • Fig. 2 is a flow chart for explaining a flow of the entire navigation system of the present invention.
  • Step S1 When the program of the route guidance system is started by CPU 41 of the central processing unit 4, the present position of the vehicle is detected by a present position detecting unit 2, and a map of the vicinity of the present position is displayed. Also, the name and other data of the present position are displayed (Step S1). Next, a destination is set using target name, telephone number, address or registered point of the place or the facility (Step S2). Then an optimal route from the present position to the destination is searched (Step S3). When the route has been determined, the present position is traced by the present position detecting unit 2, and route guidance and display are repeatedly performed until the vehicle reaches the destination (Step S4). When an additional route, out of the planned route, is set before the vehicle reaches the destination a search area is set. Then, re-searching is carried out in the search area and route guidance is repeated until the vehicle reaches the destination.
  • Fig. 3 shows an alphabetical input screen.
  • the first character or the first letter "A" of the target name and the second character "B” are inputted, it is displayed on the screen that the subsequent characters and numerics following these two characters are limited to the characters and numerics "B, E, H, J, M, O, R, U, Y, 3, 4, 5, 6 and 7" as shaded on the screen.
  • the number of the remaining lists is displayed as "1234.”
  • the column "LIST" on the screen is pressed, all registered names having the shaded characters "AB” as the first two characters are displayed on the screen.
  • the characters "ABCDEFG” shaded on the screen represent the name of the target facility.
  • the characters When the characters are inputted until there is only one list, the remaining name is selected and inputted automatically or by key operation, and a map of the vicinity of the aimed target is displayed.
  • the characters can be inputted not only from the touch panel on the input screen but may be inputted by voice if a voice input unit is provided.
  • the number of the remaining lists of target names including the inputted characters and numerics is displayed each time a character is inputted.
  • the number of the remaining lists it is possible to judge whether the number of the inputted characters should be increased or the list of target names should be displayed to select a name from the list.
  • Fig. 4 shows an example of a data structure of registered places for when the target name is inputted alphabetically.
  • the registered names having the first character "B" and the second character "A” include the following names in all:
  • the target name is "BERLIN"
  • the characters "BE” or “BER” are inputted
  • the number of registered target names remaining in the list is "6".
  • the characters “BERL” are inputted
  • the number of registered target names remaining is 1.
  • the name "BERLIN” is selected, and a map of its vicinity is displayed.
  • the list key may be pressed when the number of the remaining lists is “6”, and the name "BERLIN” may be selected from the list. In this case, there is no need to input 6 characters of "BERLIN", and inputting of 2 or 4 characters will suffice.
  • Fig. 5 is a flow chart of processing to display the number of registered target names remaining in the list in alphabetical input.
  • the number of registered target names remaining in the list is searched. In case the number is more than 1, the number of registered target names remaining in the list is displayed on the screen. Then, it is judged whether the list display key has been operated or not, and it is determined whether the list display processing should be performed or input processing should be continued. If the list display key has not been operated, alphabetical input processing is carried out. If the list display key has been operated, list display is specified and all relevant names are displayed. When the target name is searched and selected from these names, a map of the vicinity of the selected point is displayed. In case the number of registered target names remaining is 1, the map of the vicinity of the selected point is displayed automatically or by key operation.
  • Fig. 6 is a flow chart of processing to search the number of registered target names in the remaining list by forward match comparison on the data structure as shown in Fig. 4.
  • the registered place data When the characters are inputted, the registered place data is searched, and the name of alphabetical input is compared with the name in the searched data by forward match comparison. If the names do not match each other, the registered place data is further searched, and forward match comparison is carried out sequentially. If matched, the number of registered target names in the list (L) is increased only by one, and this processing is executed until all data is searched. When searching of all data has been completed, the number of registered target names in the list is outputted.
  • the registered place data file is divided as shown in Fig. 7 to an index data comprising name and place data address and size, and to a category-classified place data comprising place data name and its pronunciation (or name components), east longitude and north latitude, map display scale, and registered place number for each place data.
  • the category-classified place data is pointed to by the place data address and size from the index data so that each place data name can be searched from the category name.
  • the target name is inputted after selecting the category, and this makes it possible to decrease the number of the relevant data.
  • Fig. 8 shows an alphabetical input screen.
  • searching is performed by partial match comparison, and it is found that the characters and numerics separated by the space and combined with this word are limited to those shaded, i.e. "D, E, G, H, J, M, O, R, U, Y, 3, 7".
  • the number of registered target names remaining in the list is displayed as "1234".
  • the column "LIST” on the screen is pressed, all registered names containing the word "HOTEL" are listed on the display. If the shaded name "A HOTEL" is the name of the destination and it is selected and inputted by key operation or by remote control operation, a map of its vicinity is displayed on the screen.
  • Fig. 9 shows an example of data structure of the registered places containing words having components separated by a space. These are:
  • this list includes all names containing the words "BANK”, “HOTEL” and “STATION”, when the word “BANK” is inputted, the number of registered target names remaining on the list is "3". When the word “HOTEL” is inputted, the number of registered target names remaining on the list is "4". When the word “STATION” is inputted, the number of the registered target names remaining on the list is displayed as "2" on the screen.
  • Fig. 10 is a flow chart of search processing the number of registered target names remaining on the list by partial match comparison of the data structure as shown in Fig. 9.
  • the registered place data are searched, and partial match comparison is performed for each word, which has components separated by space, i.e. the alphabetically inputted name is compared with the names on the search data. If a partial match is not found, the registered place data is searched further, and partial match comparison is executed sequentially. If a partial match is found, the number of registered target names remaining on the list (L) is increased by one only, and the processing is carried out until all data is searched. When searching all data has been completed, the number of registered target names remaining on the list is outputted. In this way, the aimed target name partially containing inputted alphabetical characters separated by a space can be searched.
  • a partial match search method can be done by searching the spaces, and by recognizing the alphabetical character next to the space as the first character, the word next to the spaces can be searched by forward match.
  • Fig. 11 shows an exemplary input screen using English phonetics of Japanese syllabary to show that other languages, depending on the nation where the product is used, can also be provided.
  • the first character “fu” and the second character “ji" of the target name are inputted, it is displayed that the subsequent characters and numerics are limited to the shaded characters: "i, u, ka, ki, ko, sa, so, te, na, ho, ya, yo, ri, and wa”.
  • the number of registered target names remaining in the list is displayed as "1950".
  • the column "LIST" on the screen is pressed, all registered names having the first two characters "fuji" are listed on the display.
  • the remaining name is selected and inputted automatically or by key operation, and a map of its vicinity is displayed.
  • the characters may be inputted not only from the touch panel of the input screen, but by voice in case a voice input unit is provided.
  • the names of golf links usually have many characters and it takes considerable time to input.
  • the number of registered target names remaining on the list is displayed as "12" because there are 12 golf links having the word “Chiba” in the first portion of the name. All these names are listed on the display, and the desired golf link name should be selected from them. If the number of the inputted characters increases, and the name "Chiba Yo” is inputted for example, the number of registered target names remaining on the list is one. Then, Chiba Yomiuxi Country Club is selected, and a map of its vicinity is displayed. This makes it possible to eliminate the troublesome procedure to input all characters of the target name.
  • names of destination data are divided into component words, and it is determined whether place name, name of a person, classification name (school, city hall, station, park, hotel, etc.) are included in the divided words. For example, if it is already known that place name such as Tokyo or Ryogoku is included in the name, the name is divided as follows:
  • the pronunciation of the names in the list should be registered by excluding voiced constants in the list, e.g. the characters "ga” and "ka” are regarded as having the same pronunciation. In so doing, it is possible to reduce the number of inputted characters and number of the characters to be selected by the user.
  • some of the inputted target name may contain a place name, a name of a person, a classification name.
  • the place name, the name of a person, or the classification name may be excluded from the word components of the name.
  • a list of names including the names "Kokugikan” and “Disneyland” and target name data can be prepared so that these can be searched by partial match.
  • it is possible according to the invention to guarantee accuracy of word division and to avoid waste of time in the searching on CD-ROM because the list of names is edited and turned to data in advance.
  • Fig. 14 is a diagram of a tree-like data structure in case the target name is searched from the list of names by forward match comparison in Japanese. This is provided to show the flexibility of the system. In Fig. 14, English language phonetics of Japanese symbols are used.
  • the number of the remaining lists is displayed as "3", and it is displayed that the next character is "ka", "ke” or “sa”. Further, when the characters "mikawa aka” are inputted, the number of the remaining lists is displayed as "1", and the remaining name is selected and inputted automatically or by key operation. Then, a map of its vicinity is displayed on the screen. In this way, the registered place data is inputted without inputting all characters of the registered name.
  • Fig. 15 is a flow chart of processing to display the number of registered target names remaining on the list by Japanese character input.
  • the characters are inputted on the input screen, the number of registered target names remaining on the list is searched each time one character is inputted. If the number of registered target names remaining on the list is more than 1, the number of registered target names remaining on the list is displayed on the screen. Then, it is judged whether the list display key has been operated or not, and it is decided whether the list should be displayed or input processing should be continued. If the list display key has not been operated, input processing is performed. If the list display key has been operated, list display is specified Lo display all relevant names. When the target name is searched and selected from these names, a map of the vicinity of the selected place is displayed. When the number of the list is one, the map of the vicinity of the selected place is displayed automatically or by key operation.
  • Fig. 16 is a flow chart of processing to search the number registered target names remaining on the list by forward match comparison.
  • the list of names is searched, and the inputted characters are compared with the names in the list of names by forward match comparison.
  • a forward match is found, the number of registered target names remaining on the list (L) is increased by one only, and this processing is executed until all data is searched.
  • the number of registered target names remaining on the list is outputted.
  • Fig. 12 through 16 by dividing the proper name, such as Tokyo Disneyland, into specific components, changing the order of the components and registering both the different order and the proper name, even when the user inputs the different order of the name of the place he wants to go, the proper name of the place which the user wants to go is outputted and displayed as part of a list. Then, the user can choose the name from the list.
  • the proper name such as Tokyo Disneyland
  • the proper name of the place and the different order of the place may be outputted and displayed as part of a list. Then, the user can choose the name from the list.
  • names having two or more different arrangements of word components can be registered with respect to a single official name.
  • the target name can be searched from any of these, and the names other than the official names can be searched.
  • the list of names are sorted in the order of the reading of the names, i.e. in the arrangement order of word component of the names. Then, a forward match search can be executed at high speed, and it is possible to prevent low responsiveness. Because the number registered target names remaining on the list is displayed each time one character is inputted, it is possible to judge whether the number of inputted characters should be increased or the list of target names should be displayed and the target name should be selected from the displayed list by watching the number of registered target names remaining on the list. Accordingly, it is possible to select the target name without inputting all characters of the target name. This makes it possible to save considerable labor and time for inputting and to improve the convenience for the user.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Human Computer Interaction (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Claims (17)

  1. Un système de navigation pour véhicules assurant un guidage d'itinéraire pour aider dans la détermination d'un itinéraire optimal, depuis une position actuelle ou depuis un point de départ d'un véhicule, en entrant un nom de cible d'une destination, comprenant :
    des moyens d'entrée (1) pour entrer des caractères ou des chiffres d'un nom de cible séquentiellement ;
    des moyens de mémoire (3) pour stocker au moins des données des endroits enregistrés ;
    des moyens de recherche (4) pour comparer des données entrées avec les données des endroits enregistrés stockés dans lesdits moyens de mémoire chaque fois qu'un caractère ou un chiffre du nom de cible est entré à l'aide desdits moyens d'entrée et pour rechercher le nom de cible dans les données des endroits enregistrés ; et
    des moyens d'affichage (12) pour afficher des informations à l'utilisateur,
       dans lequel le nombre d'endroits enregistrés dans les données d'endroits enregistrés, comportant les caractères ou les chiffres entrés et recherchés par lesdits moyens de recherche (4) est affiché par lesdits moyens d'affichage (12) chaque fois qu'un caractère ou un chiffre du nom de cible est entré par lesdits moyens d'entrée (1).
  2. Le système de navigation pour véhicules selon la revendication 1, dans lequel une liste d'endroits enregistrés dans les données d'endroits enregistrés comportant les caractères ou les chiffres du nom de cible, tel qu'il est entré, est affichée par les moyens d'affichage (12) de façon que le nom de cible puisse être sélectionné dans la liste des endroits ainsi affichée.
  3. Le système selon la revendication 1 ou 2, dans lequel, lorsque le nombre des endroits enregistrés dans les données d'endroits enregistrés comportant les caractères ou les chiffres entrés est égal à un, ledit nom de cible est fixé au dit endroit enregistré, et une carte en est affichée.
  4. Le système selon la revendication 1, 2 ou 3, dans lequel l'entrée dans les moyens d'entrée (1) est alphabétique ou numérique, et lesdits moyens de recherche (4) recherchent les données d'endroits enregistrés en comparant les données entrées avec les données d'endroits enregistrés par comparaison de correspondance directe.
  5. Le système de navigation pour véhicules selon la revendication 4,
    dans lequel tous les caractères alphabétiques ou les chiffres, à être sélectionnés et entrés sont affichés sur un écran d'une manière reconnaissable.
  6. Le système selon l'ùne quelconque des revendications 2 à 5, dans lequel ladite liste d'endroits enregistrés dans les données d'endroits enregistrés qui comportent les caractères ou les chiffres du nom de cible, tel qu'il est entré, est affichée sur les moyens d'affichage (12) chaque fois qu'un caractère ou un chiffre est entré.
  7. Un système de navigation pour véhicules assurant un guidage de itinéraire pour aider dans la détermination d'un itinéraire optimal depuis une position actuelle ou un point de départ d'un véhicule en entrant un nom de cible d'une destination, comprenant :
    des moyens d'entrée (1) pour entrer le nom de cible en caractères ;
    des moyens de mémoire (3) pour stocker une liste de noms enregistrés comportant deux séquences ou plus de composantes de mot arrangées en ordres différents au moins par rapport à un nom officiel simple ;
    des moyens de recherche (4) pour rechercher le nom de cible en comparant les caractères entrés du nom de cible avec une liste de noms stockés dans lesdits moyens de mémoire à l'aide d'une comparaison de correspondance directe chaque fois qu'un caractère du nom de cible entré par lesdits moyens d'entrée est entré ;
       et,
    des moyens d'affichage (12) pour afficher des informations à l'utilisateur;
       dans lequel le nombre des endroits enregistrés de la liste des noms enregistrés, pour lesquels la correspondance directe a été trouvée dans la recherche par lesdits moyens de recherche, est affiché par lesdits moyens d'affichage (12) chaque fois qu'un caractère ou un chiffre dans le nom de cible est entré par lesdits moyens d'entrée (1).
  8. Le système selon l'une quelconque des revendications 2 à 7, dans lequel ladite liste de noms enregistrés est arrangée d'une telle façon que chaque nom est divisé en composantes, et une liste de tous les noms comportant un nom d'endroit, un nom d'une personne, ou un nom de classification inclus en tant que Tune des composantes du mot divisé, arrangées en ordres différents, est triée dans l'ordre selon lequel les noms sont lus, ou selon l'arrangement des composantes de mot.
  9. Le système selon l'une quelconque des revendications là 8, dans lequel ladite liste, des noms enregistrés comportant les caractères entrés du nom de cible entré est affichée sur les moyens d'affichage, et le nom de cible peut être sélectionné dans la liste des noms enregistrés ainsi affichée.
  10. Le système selon la revendication 7, 8 ou 9, dans lequel ledit nom de cible est fixé au dit nom enregistré, lorsque le nombre de noms enregistrés comportant les caractères entrés est égal à un, et une carte en est affichée.
  11. Le système selon l'une quelconque des revendications 7 à 10, dans lequel tous les caractères à être sélectionnés et entrés sont affichés sur un écran d'une manière reconnaissable.
  12. Le système selon l'une quelconque des revendications 1 à 11, dans lequel ledit écran fonctionne tel qu'un écran tactile, de façon qu'un utilisateur puisse toucher l'écran pour sélectionner les caractères à être entrés.
  13. Le système selon l'une quelconque des revendications 7 à 12, dans lequel les caractères suivants dans les noms enregistrés de la liste de noms enregistrés qui correspondent aux caractères entrés auparavant, sont mis en surbrillance sur l'écran de façon qu'un utilisateur puisse déterminer les caractères suivants possibles dans le nom.
  14. Le système selon l'une quelconque des revendications 7 à 13, dans lequel les noms enregistrés dans la liste de noms enregistrés qui comportent des caractères entrés sont affichés sur les moyens d'affichage chaque fois qu'un caractère est entré.
  15. Le système selon la revendication 1 ou 7, dans lequel, lorsque le nombre des endroits ou noms enregistrés comportant les caractères entrés est supérieur à un, une liste des endroits ou noms enregistrés comportant les caractères du nom de cible tel qu'entré est listée sur les moyens d'affichage pour sélection par un utilisateur, et lorsque le nombre d'endroits ou noms enregistrés comportant les caractères du nom de cible tel qu'il est entré est égal à un, ledit nom de cible est fixé au dit endroit ou nom enregistré et une carte en est affichée sur les moyens d'affichage (12).
  16. Un système de navigation selon la revendication 1 comprenant un produit de programme d'ordinateur, ledit produit exécutant les étapes :
    1. Entrer des caractères alphabétiques par les moyens d'entrée (1).
    2. Rechercher le nombre de noms de cible restants comportant les caractères alphabétiques dans une liste de noms de cible dans les moyens de mémoire (3).
    3. Est-ce que le nombre de nom est égal à un ?
    4. Si oui, afficher une carte du voisinage de la cible.
    5. Si non, afficher le nombre de noms restants par les moyens d'affichage (12).
    6. Une touche a-t-elle été actionnée pour l'affichage de la liste ?
    7. Si oui, afficher la liste, sélectionner une cible dans la liste et afficher une carte de son voisinage par les moyens d'affichage (12).
    8. Si non, entrer des caractères alphabétiques et retourner à l'étape 2.
  17. Un système de navigation selon la revendication 7 comprenant un produit de programme d'ordinateur, ledit produit exécutant les étapes:
    1. Entrer des caractères alphabétiques par les moyens d'entrée (1).
    2. Rechercher le nombre de noms restants dans la liste, dans les moyens de mémoire (3).
    3. Rechercher des données de noms enregistrés, par les moyens de recherche (4).
    4. Comparer le nom alphabétique entré avec des données de nom recherché par comparaison de correspondance directe, par les moyens de recherche (4).
    5. La correspondance directe a-t-elle été trouvée ?
    6. Si non, retourner à l'étape 2.
    7. Si oui, incrémenter le nombre de noms enregistrés restants par un.
    8. Toutes les données de noms enregistrés ont-elles été recherchées ?
    9. Si non, retourner à l'étape 2.
    10. Si oui, afficher en sortie le nombre de noms restants, par les moyens d'affichage (12).
EP96113632A 1995-08-25 1996-08-26 Système de navigation pour véhicules Expired - Lifetime EP0789224B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP217864/95 1995-08-25
JP21786495 1995-08-25
JP21786495A JP3681013B2 (ja) 1995-08-25 1995-08-25 ナビゲーション装置
JP7253368A JPH0997266A (ja) 1995-09-29 1995-09-29 車両用ナビゲーション装置
JP25336895 1995-09-29
JP253368/95 1995-09-29

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EP0789224A3 EP0789224A3 (fr) 1998-05-13
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DE69628904D1 (de) 2003-08-07
US5825306A (en) 1998-10-20
EP0789224A2 (fr) 1997-08-13
EP0789224A3 (fr) 1998-05-13

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